mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-26 20:45:31 +07:00
8a8621ba01
The MPEG-2 decoder firmware reports profile and level indication that can be used to set V4L2 MPEG-2 profile and level controls Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
45 lines
937 B
C
45 lines
937 B
C
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
/*
|
|
* Coda multi-standard codec IP - MPEG-2 helper functions
|
|
*
|
|
* Copyright (C) 2019 Pengutronix, Philipp Zabel
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/videodev2.h>
|
|
#include "coda.h"
|
|
|
|
int coda_mpeg2_profile(int profile_idc)
|
|
{
|
|
switch (profile_idc) {
|
|
case 5:
|
|
return V4L2_MPEG_VIDEO_MPEG2_PROFILE_SIMPLE;
|
|
case 4:
|
|
return V4L2_MPEG_VIDEO_MPEG2_PROFILE_MAIN;
|
|
case 3:
|
|
return V4L2_MPEG_VIDEO_MPEG2_PROFILE_SNR_SCALABLE;
|
|
case 2:
|
|
return V4L2_MPEG_VIDEO_MPEG2_PROFILE_SPATIALLY_SCALABLE;
|
|
case 1:
|
|
return V4L2_MPEG_VIDEO_MPEG2_PROFILE_HIGH;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
|
|
int coda_mpeg2_level(int level_idc)
|
|
{
|
|
switch (level_idc) {
|
|
case 10:
|
|
return V4L2_MPEG_VIDEO_MPEG2_LEVEL_LOW;
|
|
case 8:
|
|
return V4L2_MPEG_VIDEO_MPEG2_LEVEL_MAIN;
|
|
case 6:
|
|
return V4L2_MPEG_VIDEO_MPEG2_LEVEL_HIGH_1440;
|
|
case 4:
|
|
return V4L2_MPEG_VIDEO_MPEG2_LEVEL_HIGH;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
}
|